Ключевые слова: achievable, achieve, achievement, aspiration, attitude, behaviour, belief, black, blackboard, board, career, chalk, chalkboard, challenge, chance, change, concept, confidence, cross, crossover, delete, employment, eraser, failure, frame, hope, ideas, impossible, incentive, innovation, inspiration, message, mindset, motivation, opportunity, optimism, optimistic, over, overcoming, philosophy, positive, possible, sign, solution, success, text, transform, white, wooden, word,